mirror of
https://github.com/yt-dlp/yt-dlp
synced 2024-12-26 21:59:08 +01:00
add96eb9f8
Authored by: seproDev Reviewed-by: bashonly <88596187+bashonly@users.noreply.github.com> Reviewed-by: Simon Sawicki <contact@grub4k.xyz>
554 lines
21 KiB
Python
554 lines
21 KiB
Python
import re
|
|
import urllib.parse
|
|
import xml.etree.ElementTree
|
|
|
|
from .common import InfoExtractor
|
|
from ..utils import (
|
|
ExtractorError,
|
|
int_or_none,
|
|
parse_qs,
|
|
smuggle_url,
|
|
traverse_obj,
|
|
unified_timestamp,
|
|
update_url_query,
|
|
url_or_none,
|
|
xpath_text,
|
|
)
|
|
|
|
|
|
class SlidesLiveIE(InfoExtractor):
|
|
_VALID_URL = r'https?://slideslive\.com/(?:embed/(?:presentation/)?)?(?P<id>[0-9]+)'
|
|
_TESTS = [{
|
|
# service_name = yoda, only XML slides info
|
|
'url': 'https://slideslive.com/38902413/gcc-ia16-backend',
|
|
'info_dict': {
|
|
'id': '38902413',
|
|
'ext': 'mp4',
|
|
'title': 'GCC IA16 backend',
|
|
'timestamp': 1697793372,
|
|
'upload_date': '20231020',
|
|
'thumbnail': r're:^https?://.*\.jpg',
|
|
'thumbnails': 'count:42',
|
|
'chapters': 'count:41',
|
|
'duration': 1638,
|
|
},
|
|
'params': {
|
|
'skip_download': 'm3u8',
|
|
},
|
|
}, {
|
|
# service_name = yoda, /v7/ slides
|
|
'url': 'https://slideslive.com/38935785',
|
|
'info_dict': {
|
|
'id': '38935785',
|
|
'ext': 'mp4',
|
|
'title': 'Offline Reinforcement Learning: From Algorithms to Practical Challenges',
|
|
'upload_date': '20231020',
|
|
'timestamp': 1697807002,
|
|
'thumbnail': r're:^https?://.*\.(?:jpg|png)',
|
|
'thumbnails': 'count:640',
|
|
'chapters': 'count:639',
|
|
'duration': 9832,
|
|
},
|
|
'params': {
|
|
'skip_download': 'm3u8',
|
|
},
|
|
}, {
|
|
# service_name = yoda, /v1/ slides
|
|
'url': 'https://slideslive.com/38973182/how-should-a-machine-learning-researcher-think-about-ai-ethics',
|
|
'info_dict': {
|
|
'id': '38973182',
|
|
'ext': 'mp4',
|
|
'title': 'How Should a Machine Learning Researcher Think About AI Ethics?',
|
|
'upload_date': '20231020',
|
|
'thumbnail': r're:^https?://.*\.jpg',
|
|
'timestamp': 1697822521,
|
|
'thumbnails': 'count:3',
|
|
'chapters': 'count:2',
|
|
'duration': 5889,
|
|
},
|
|
'params': {
|
|
'skip_download': 'm3u8',
|
|
},
|
|
}, {
|
|
# formerly youtube, converted to native
|
|
'url': 'https://slideslive.com/38897546/special-metaprednaska-petra-ludwiga-hodnoty-pro-lepsi-spolecnost',
|
|
'md5': '8a79b5e3d700837f40bd2afca3c8fa01',
|
|
'info_dict': {
|
|
'id': '38897546',
|
|
'ext': 'mp4',
|
|
'title': 'SPECIÁL: Meta-přednáška Petra Ludwiga - Hodnoty pro lepší společnost',
|
|
'thumbnail': r're:^https?://.*\.jpg',
|
|
'upload_date': '20231029',
|
|
'timestamp': 1698588144,
|
|
'thumbnails': 'count:169',
|
|
'chapters': 'count:168',
|
|
'duration': 6827,
|
|
},
|
|
'params': {
|
|
'skip_download': 'm3u8',
|
|
},
|
|
}, {
|
|
# embed-only presentation, only XML slides info
|
|
'url': 'https://slideslive.com/embed/presentation/38925850',
|
|
'info_dict': {
|
|
'id': '38925850',
|
|
'ext': 'mp4',
|
|
'title': 'Towards a Deep Network Architecture for Structured Smoothness',
|
|
'thumbnail': r're:^https?://.*\.jpg',
|
|
'thumbnails': 'count:8',
|
|
'timestamp': 1697803109,
|
|
'upload_date': '20231020',
|
|
'chapters': 'count:7',
|
|
'duration': 326,
|
|
},
|
|
'params': {
|
|
'skip_download': 'm3u8',
|
|
},
|
|
}, {
|
|
# embed-only presentation, only JSON slides info, /v5/ slides (.png)
|
|
'url': 'https://slideslive.com/38979920/',
|
|
'info_dict': {
|
|
'id': '38979920',
|
|
'ext': 'mp4',
|
|
'title': 'MoReL: Multi-omics Relational Learning',
|
|
'thumbnail': r're:^https?://.*\.(?:jpg|png)',
|
|
'thumbnails': 'count:7',
|
|
'timestamp': 1697824939,
|
|
'upload_date': '20231020',
|
|
'chapters': 'count:6',
|
|
'duration': 171,
|
|
},
|
|
'params': {
|
|
'skip_download': 'm3u8',
|
|
},
|
|
}, {
|
|
# /v2/ slides (.jpg)
|
|
'url': 'https://slideslive.com/38954074',
|
|
'info_dict': {
|
|
'id': '38954074',
|
|
'ext': 'mp4',
|
|
'title': 'Decentralized Attribution of Generative Models',
|
|
'thumbnail': r're:^https?://.*\.jpg',
|
|
'thumbnails': 'count:16',
|
|
'timestamp': 1697814901,
|
|
'upload_date': '20231020',
|
|
'chapters': 'count:15',
|
|
'duration': 306,
|
|
},
|
|
'params': {
|
|
'skip_download': 'm3u8',
|
|
},
|
|
}, {
|
|
# /v4/ slides (.png)
|
|
'url': 'https://slideslive.com/38979570/',
|
|
'info_dict': {
|
|
'id': '38979570',
|
|
'ext': 'mp4',
|
|
'title': 'Efficient Active Search for Combinatorial Optimization Problems',
|
|
'thumbnail': r're:^https?://.*\.(?:jpg|png)',
|
|
'thumbnails': 'count:9',
|
|
'timestamp': 1697824757,
|
|
'upload_date': '20231020',
|
|
'chapters': 'count:8',
|
|
'duration': 295,
|
|
},
|
|
'params': {
|
|
'skip_download': 'm3u8',
|
|
},
|
|
}, {
|
|
# /v10/ slides
|
|
'url': 'https://slideslive.com/embed/presentation/38979880?embed_parent_url=https%3A%2F%2Fedit.videoken.com%2F',
|
|
'info_dict': {
|
|
'id': '38979880',
|
|
'ext': 'mp4',
|
|
'title': 'The Representation Power of Neural Networks',
|
|
'timestamp': 1697824919,
|
|
'thumbnail': r're:^https?://.*\.(?:jpg|png)',
|
|
'thumbnails': 'count:22',
|
|
'upload_date': '20231020',
|
|
'chapters': 'count:21',
|
|
'duration': 294,
|
|
},
|
|
'params': {
|
|
'skip_download': 'm3u8',
|
|
},
|
|
}, {
|
|
# /v7/ slides, 2 video slides
|
|
'url': 'https://slideslive.com/embed/presentation/38979682?embed_container_origin=https%3A%2F%2Fedit.videoken.com',
|
|
'playlist_count': 3,
|
|
'info_dict': {
|
|
'id': '38979682-playlist',
|
|
'title': 'LoRA: Low-Rank Adaptation of Large Language Models',
|
|
},
|
|
'playlist': [{
|
|
'info_dict': {
|
|
'id': '38979682',
|
|
'ext': 'mp4',
|
|
'title': 'LoRA: Low-Rank Adaptation of Large Language Models',
|
|
'timestamp': 1697824815,
|
|
'thumbnail': r're:^https?://.*\.(?:jpg|png)',
|
|
'thumbnails': 'count:30',
|
|
'upload_date': '20231020',
|
|
'chapters': 'count:31',
|
|
'duration': 272,
|
|
},
|
|
}, {
|
|
'info_dict': {
|
|
'id': '38979682-021',
|
|
'ext': 'mp4',
|
|
'title': 'LoRA: Low-Rank Adaptation of Large Language Models - Slide 021',
|
|
'duration': 3,
|
|
'timestamp': 1697824815,
|
|
'upload_date': '20231020',
|
|
},
|
|
}, {
|
|
'info_dict': {
|
|
'id': '38979682-024',
|
|
'ext': 'mp4',
|
|
'title': 'LoRA: Low-Rank Adaptation of Large Language Models - Slide 024',
|
|
'duration': 4,
|
|
'timestamp': 1697824815,
|
|
'upload_date': '20231020',
|
|
},
|
|
}],
|
|
'params': {
|
|
'skip_download': 'm3u8',
|
|
},
|
|
}, {
|
|
# /v6/ slides, 1 video slide, edit.videoken.com embed
|
|
'url': 'https://slideslive.com/38979481/',
|
|
'playlist_count': 2,
|
|
'info_dict': {
|
|
'id': '38979481-playlist',
|
|
'title': 'How to Train Your MAML to Excel in Few-Shot Classification',
|
|
},
|
|
'playlist': [{
|
|
'info_dict': {
|
|
'id': '38979481',
|
|
'ext': 'mp4',
|
|
'title': 'How to Train Your MAML to Excel in Few-Shot Classification',
|
|
'timestamp': 1697824716,
|
|
'thumbnail': r're:^https?://.*\.(?:jpg|png)',
|
|
'thumbnails': 'count:43',
|
|
'upload_date': '20231020',
|
|
'chapters': 'count:43',
|
|
'duration': 315,
|
|
},
|
|
}, {
|
|
'info_dict': {
|
|
'id': '38979481-013',
|
|
'ext': 'mp4',
|
|
'title': 'How to Train Your MAML to Excel in Few-Shot Classification - Slide 013',
|
|
'duration': 3,
|
|
'timestamp': 1697824716,
|
|
'upload_date': '20231020',
|
|
},
|
|
}],
|
|
'params': {
|
|
'skip_download': 'm3u8',
|
|
},
|
|
}, {
|
|
# /v3/ slides, .jpg and .png, service_name = youtube
|
|
'url': 'https://slideslive.com/embed/38932460/',
|
|
'info_dict': {
|
|
'id': 'RTPdrgkyTiE',
|
|
'display_id': '38932460',
|
|
'ext': 'mp4',
|
|
'title': 'Active Learning for Hierarchical Multi-Label Classification',
|
|
'description': 'Watch full version of this video at https://slideslive.com/38932460.',
|
|
'channel': 'SlidesLive Videos - A',
|
|
'channel_id': 'UC62SdArr41t_-_fX40QCLRw',
|
|
'channel_url': 'https://www.youtube.com/channel/UC62SdArr41t_-_fX40QCLRw',
|
|
'uploader': 'SlidesLive Videos - A',
|
|
'uploader_id': '@slideslivevideos-a6075',
|
|
'uploader_url': 'https://www.youtube.com/@slideslivevideos-a6075',
|
|
'upload_date': '20200903',
|
|
'timestamp': 1697805922,
|
|
'duration': 942,
|
|
'age_limit': 0,
|
|
'live_status': 'not_live',
|
|
'playable_in_embed': True,
|
|
'availability': 'unlisted',
|
|
'categories': ['People & Blogs'],
|
|
'tags': [],
|
|
'channel_follower_count': int,
|
|
'like_count': int,
|
|
'view_count': int,
|
|
'thumbnail': r're:^https?://.*\.(?:jpg|png|webp)',
|
|
'thumbnails': 'count:21',
|
|
'chapters': 'count:20',
|
|
},
|
|
'params': {
|
|
'skip_download': 'm3u8',
|
|
},
|
|
}, {
|
|
# /v3/ slides, .png only, service_name = yoda
|
|
'url': 'https://slideslive.com/38983994',
|
|
'info_dict': {
|
|
'id': '38983994',
|
|
'ext': 'mp4',
|
|
'title': 'Zero-Shot AutoML with Pretrained Models',
|
|
'timestamp': 1697826708,
|
|
'upload_date': '20231020',
|
|
'thumbnail': r're:^https?://.*\.(?:jpg|png)',
|
|
'thumbnails': 'count:23',
|
|
'chapters': 'count:22',
|
|
'duration': 295,
|
|
},
|
|
'params': {
|
|
'skip_download': 'm3u8',
|
|
},
|
|
}, {
|
|
# service_name = yoda
|
|
'url': 'https://slideslive.com/38903721/magic-a-scientific-resurrection-of-an-esoteric-legend',
|
|
'only_matching': True,
|
|
}, {
|
|
# dead link, service_name = url
|
|
'url': 'https://slideslive.com/38922070/learning-transferable-skills-1',
|
|
'only_matching': True,
|
|
}, {
|
|
# dead link, service_name = vimeo
|
|
'url': 'https://slideslive.com/38921896/retrospectives-a-venue-for-selfreflection-in-ml-research-3',
|
|
'only_matching': True,
|
|
}]
|
|
|
|
_WEBPAGE_TESTS = [{
|
|
# only XML slides info
|
|
'url': 'https://iclr.cc/virtual_2020/poster_Hklr204Fvr.html',
|
|
'info_dict': {
|
|
'id': '38925850',
|
|
'ext': 'mp4',
|
|
'title': 'Towards a Deep Network Architecture for Structured Smoothness',
|
|
'thumbnail': r're:^https?://.*\.jpg',
|
|
'thumbnails': 'count:8',
|
|
'timestamp': 1697803109,
|
|
'upload_date': '20231020',
|
|
'chapters': 'count:7',
|
|
'duration': 326,
|
|
},
|
|
'params': {
|
|
'skip_download': 'm3u8',
|
|
},
|
|
}]
|
|
|
|
@classmethod
|
|
def _extract_embed_urls(cls, url, webpage):
|
|
# Reference: https://slideslive.com/embed_presentation.js
|
|
for embed_id in re.findall(r'(?s)new\s+SlidesLiveEmbed\s*\([^)]+\bpresentationId:\s*["\'](\d+)["\']', webpage):
|
|
url_parsed = urllib.parse.urlparse(url)
|
|
origin = f'{url_parsed.scheme}://{url_parsed.netloc}'
|
|
yield update_url_query(
|
|
f'https://slideslive.com/embed/presentation/{embed_id}', {
|
|
'embed_parent_url': url,
|
|
'embed_container_origin': origin,
|
|
})
|
|
|
|
def _download_embed_webpage_handle(self, video_id, headers):
|
|
return self._download_webpage_handle(
|
|
f'https://slideslive.com/embed/presentation/{video_id}', video_id,
|
|
headers=headers, query=traverse_obj(headers, {
|
|
'embed_parent_url': 'Referer',
|
|
'embed_container_origin': 'Origin',
|
|
}))
|
|
|
|
def _extract_custom_m3u8_info(self, m3u8_data):
|
|
m3u8_dict = {}
|
|
|
|
lookup = {
|
|
'PRESENTATION-TITLE': 'title',
|
|
'PRESENTATION-UPDATED-AT': 'timestamp',
|
|
'PRESENTATION-THUMBNAIL': 'thumbnail',
|
|
'PLAYLIST-TYPE': 'playlist_type',
|
|
'VOD-VIDEO-SERVICE-NAME': 'service_name',
|
|
'VOD-VIDEO-ID': 'service_id',
|
|
'VOD-VIDEO-SERVERS': 'video_servers',
|
|
'VOD-SUBTITLES': 'subtitles',
|
|
'VOD-SLIDES-JSON-URL': 'slides_json_url',
|
|
'VOD-SLIDES-XML-URL': 'slides_xml_url',
|
|
}
|
|
|
|
for line in m3u8_data.splitlines():
|
|
if not line.startswith('#EXT-SL-'):
|
|
continue
|
|
tag, _, value = line.partition(':')
|
|
key = lookup.get(tag[8:])
|
|
if not key:
|
|
continue
|
|
m3u8_dict[key] = value
|
|
|
|
# Some values are stringified JSON arrays
|
|
for key in ('video_servers', 'subtitles'):
|
|
if key in m3u8_dict:
|
|
m3u8_dict[key] = self._parse_json(m3u8_dict[key], None, fatal=False) or []
|
|
|
|
return m3u8_dict
|
|
|
|
def _extract_formats_and_duration(self, cdn_hostname, path, video_id, skip_duration=False):
|
|
formats, duration = [], None
|
|
|
|
hls_formats = self._extract_m3u8_formats(
|
|
f'https://{cdn_hostname}/{path}/master.m3u8',
|
|
video_id, 'mp4', m3u8_id='hls', fatal=False, live=True)
|
|
if hls_formats:
|
|
if not skip_duration:
|
|
duration = self._extract_m3u8_vod_duration(
|
|
hls_formats[0]['url'], video_id, note='Extracting duration from HLS manifest')
|
|
formats.extend(hls_formats)
|
|
|
|
dash_formats = self._extract_mpd_formats(
|
|
f'https://{cdn_hostname}/{path}/master.mpd', video_id, mpd_id='dash', fatal=False)
|
|
if dash_formats:
|
|
if not duration and not skip_duration:
|
|
duration = self._extract_mpd_vod_duration(
|
|
f'https://{cdn_hostname}/{path}/master.mpd', video_id,
|
|
note='Extracting duration from DASH manifest')
|
|
formats.extend(dash_formats)
|
|
|
|
return formats, duration
|
|
|
|
def _real_extract(self, url):
|
|
video_id = self._match_id(url)
|
|
webpage, urlh = self._download_embed_webpage_handle(
|
|
video_id, headers=traverse_obj(parse_qs(url), {
|
|
'Referer': ('embed_parent_url', -1),
|
|
'Origin': ('embed_container_origin', -1)}))
|
|
redirect_url = urlh.url
|
|
if 'domain_not_allowed' in redirect_url:
|
|
domain = traverse_obj(parse_qs(redirect_url), ('allowed_domains[]', ...), get_all=False)
|
|
if not domain:
|
|
raise ExtractorError(
|
|
'This is an embed-only presentation. Try passing --referer', expected=True)
|
|
webpage, _ = self._download_embed_webpage_handle(video_id, headers={
|
|
'Referer': f'https://{domain}/',
|
|
'Origin': f'https://{domain}',
|
|
})
|
|
|
|
player_token = self._search_regex(r'data-player-token="([^"]+)"', webpage, 'player token')
|
|
player_data = self._download_webpage(
|
|
f'https://ben.slideslive.com/player/{video_id}', video_id,
|
|
note='Downloading player info', query={'player_token': player_token})
|
|
player_info = self._extract_custom_m3u8_info(player_data)
|
|
|
|
service_name = player_info['service_name'].lower()
|
|
assert service_name in ('url', 'yoda', 'vimeo', 'youtube')
|
|
service_id = player_info['service_id']
|
|
|
|
slide_url_template = 'https://slides.slideslive.com/%s/slides/original/%s%s'
|
|
slides, slides_info = {}, []
|
|
|
|
if player_info.get('slides_json_url'):
|
|
slides = self._download_json(
|
|
player_info['slides_json_url'], video_id, fatal=False,
|
|
note='Downloading slides JSON', errnote=False) or {}
|
|
slide_ext_default = '.png'
|
|
slide_quality = traverse_obj(slides, ('slide_qualities', 0))
|
|
if slide_quality:
|
|
slide_ext_default = '.jpg'
|
|
slide_url_template = f'https://cdn.slideslive.com/data/presentations/%s/slides/{slide_quality}/%s%s'
|
|
for slide_id, slide in enumerate(traverse_obj(slides, ('slides', ...), expected_type=dict), 1):
|
|
slides_info.append((
|
|
slide_id, traverse_obj(slide, ('image', 'name')),
|
|
traverse_obj(slide, ('image', 'extname'), default=slide_ext_default),
|
|
int_or_none(slide.get('time'), scale=1000)))
|
|
|
|
if not slides and player_info.get('slides_xml_url'):
|
|
slides = self._download_xml(
|
|
player_info['slides_xml_url'], video_id, fatal=False,
|
|
note='Downloading slides XML', errnote='Failed to download slides info')
|
|
if isinstance(slides, xml.etree.ElementTree.Element):
|
|
slide_url_template = 'https://cdn.slideslive.com/data/presentations/%s/slides/big/%s%s'
|
|
for slide_id, slide in enumerate(slides.findall('./slide')):
|
|
slides_info.append((
|
|
slide_id, xpath_text(slide, './slideName', 'name'), '.jpg',
|
|
int_or_none(xpath_text(slide, './timeSec', 'time'))))
|
|
|
|
chapters, thumbnails = [], []
|
|
if url_or_none(player_info.get('thumbnail')):
|
|
thumbnails.append({'id': 'cover', 'url': player_info['thumbnail']})
|
|
for slide_id, slide_path, slide_ext, start_time in slides_info:
|
|
if slide_path:
|
|
thumbnails.append({
|
|
'id': f'{slide_id:03d}',
|
|
'url': slide_url_template % (video_id, slide_path, slide_ext),
|
|
})
|
|
chapters.append({
|
|
'title': f'Slide {slide_id:03d}',
|
|
'start_time': start_time,
|
|
})
|
|
|
|
subtitles = {}
|
|
for sub in traverse_obj(player_info, ('subtitles', ...), expected_type=dict):
|
|
webvtt_url = url_or_none(sub.get('webvtt_url'))
|
|
if not webvtt_url:
|
|
continue
|
|
subtitles.setdefault(sub.get('language') or 'en', []).append({
|
|
'url': webvtt_url,
|
|
'ext': 'vtt',
|
|
})
|
|
|
|
info = {
|
|
'id': video_id,
|
|
'title': player_info.get('title') or self._html_search_meta('title', webpage, default=''),
|
|
'timestamp': unified_timestamp(player_info.get('timestamp')),
|
|
'is_live': player_info.get('playlist_type') != 'vod',
|
|
'thumbnails': thumbnails,
|
|
'chapters': chapters,
|
|
'subtitles': subtitles,
|
|
}
|
|
|
|
if service_name == 'url':
|
|
info['url'] = service_id
|
|
elif service_name == 'yoda':
|
|
formats, duration = self._extract_formats_and_duration(
|
|
player_info['video_servers'][0], service_id, video_id)
|
|
info.update({
|
|
'duration': duration,
|
|
'formats': formats,
|
|
})
|
|
else:
|
|
info.update({
|
|
'_type': 'url_transparent',
|
|
'url': service_id,
|
|
'ie_key': service_name.capitalize(),
|
|
'display_id': video_id,
|
|
})
|
|
if service_name == 'vimeo':
|
|
info['url'] = smuggle_url(
|
|
f'https://player.vimeo.com/video/{service_id}',
|
|
{'referer': url})
|
|
|
|
video_slides = traverse_obj(slides, ('slides', ..., 'video', 'id'))
|
|
if not video_slides:
|
|
return info
|
|
|
|
def entries():
|
|
yield info
|
|
|
|
service_data = self._download_json(
|
|
f'https://ben.slideslive.com/player/{video_id}/slides_video_service_data',
|
|
video_id, fatal=False, query={
|
|
'player_token': player_token,
|
|
'videos': ','.join(video_slides),
|
|
}, note='Downloading video slides info', errnote='Failed to download video slides info') or {}
|
|
|
|
for slide_id, slide in enumerate(traverse_obj(slides, ('slides', ...)), 1):
|
|
if traverse_obj(slide, ('video', 'service')) != 'yoda':
|
|
continue
|
|
video_path = traverse_obj(slide, ('video', 'id'))
|
|
cdn_hostname = traverse_obj(service_data, (
|
|
video_path, 'video_servers', ...), get_all=False)
|
|
if not cdn_hostname or not video_path:
|
|
continue
|
|
formats, _ = self._extract_formats_and_duration(
|
|
cdn_hostname, video_path, video_id, skip_duration=True)
|
|
if not formats:
|
|
continue
|
|
yield {
|
|
'id': f'{video_id}-{slide_id:03d}',
|
|
'title': f'{info["title"]} - Slide {slide_id:03d}',
|
|
'timestamp': info['timestamp'],
|
|
'duration': int_or_none(traverse_obj(slide, ('video', 'duration_ms')), scale=1000),
|
|
'formats': formats,
|
|
}
|
|
|
|
return self.playlist_result(entries(), f'{video_id}-playlist', info['title'])
|